UAL398, IAD to KEF, departing 11:16 PM EDT, Jul 9

Turbulence forecast map for UAL398, IAD to KEF

Report an issue

(Forecast data last collected at 3:00 AM EDT on Jul 10, 2026.)

  1. Takeoff from IAD at 11:16 PM EDT, Jul 9.
  2. 11:17 PM EDT: Calm skies for the next 11 minutes.
  3. 11:28 PM EDT: Light turbulence likely for the next 1 hour and 10 minutes.
  4. 12:38 AM EDT: Moderate turbulence likely for the next 7 minutes.
  5. 12:45 AM EDT: Light turbulence likely for the next 2 hours and 58 minutes.
  6. 3:43 AM EDT: Calm skies for the rest of the flight.
  7. Landing at KEF at 4:14 AM EDT.
Nelly

Nelly says: Bumpy skies can be scary, but they're not dangerous!

See our turbulence safety page for more information, including links to other resources for nervous fliers.

📣 To stay informed about updates to BumpySkies, subscribe to the free newsletter:

You can also browse past newsletter issues.

BumpySkies is a free service that depends on your donations to stay online.

If you find this service helpful, please consider supporting BumpySkies on Patreon.

For best results, try it shortly before departure.

(Or, see a random upcoming flight's forecast.)